The 3-inch white gel memory foam king mattress topper brings a new level of comfort to your sleep experience. Designed with medium firmness, it perfectly balances support and softness for a restful night. The gel memory foam fill contours to your body, ensuring optimal pressure relief. Its breathable construction promotes airflow, while moisture-wicking properties help keep you dry throughout the night. Designed for convenience, the removable cover is machine washable for easy care. With practical straps for secure attachment, it fits snugly on your mattress. Water-resistant features provide additional protection, making it a durable choice for your sleeping needs. 80.00-inch h x 78.00-inch w x 3.00-inch d.